Crew member and scientist. One of the personnel who vanishes during the base lockdown, underscoring the lethal nature of the Martian life-form.
Irwin abandons Lane during the escape and hides his own infection, breaking team trust.
Irwin deliberately leaves Aldrich behind to die, prioritizing his own survival.
Irwin's infection and deception force Campbell into a fatal confrontation in orbit.
Explore the full interactive character relationship map of The Last Days on Mars